U.S. Patent 11138602 was awarded to Alipay (Hangzhou) Information Technology Co., Ltd. on October 05, 2021 and is entitled “Blockchain-based trustable guarantees.” The first named inventor is Hui Zhou of Hangzhou, . The abstract contains an overview of the patent disclosure:

Disclosed herein are methods, systems, and apparatus for processing blockchain-based guarantee information. One of the methods includes receiving a first cyphertext of a first digital document specifying a guarantee from a first computing device associated with at least a first guarantor and one or more zero-knowledge proofs (ZKPs) related to one or more values associated with the guarantee, and the first digital document specifies one or more predetermined conditions of executing the guarantee; verifying that the one or more ZKPs are correct; storing the first cyphertext to a blockchain based on performing a consensus algorithm; receiving a first message from a second computing device associated with a beneficiary or a representative of the beneficiary. Link to Full Patent

This blockchain patent was originally filed on December 30, 2020  as U.S. Patent Application 17/138505 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11138602. The primary examiner was Gary S Gracia.

Alipay (Hangzhou) Information Technology Co., Ltd., who is the original assignee of this patent, has at least 38 total granted patents in the United States as of the date of this article. This blockchain patent has been cited 0 times by other U.S. patents according to our law firm research, and can be considered an innovative patent in the field of cryptocurrency and blockchain.

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